Common questions for Form 4562 in ProSeries

For more depreciation resources, check out our Tax topics page for Schedule C where you'll find answers to the most commonly asked questions.

Get answers to frequently asked questions about Form 4562 and Section 179 in ProSeries

• Form 4562 Line 12 – The total allowable Section 179 does not match the sum of allowable Section 179
• Form 4562 does not print with the return
• Entering section 179 depreciation calculation on Form 4562 in ProSeries
• Entering section 179 carryovers from a prior year
• Printing depreciation reports in ProSeries
• “Section 179 on multiple activities being limited” error message on Individual return
• How do I fix the error on Form 4562 Section 179 Summary: Error Line 12 in 1120S and 1065

What's new for tax year 2025

The One Big Beautiful Bill brings many changes to Section 179 and Special Deprecation Allowance. Here are some of the key updates:

• Qualified production property placed in service after July 4, 2025, the construction of which began after January 19, 2025, may be eligible for a 100% special depreciation allowance.
• Section 179 deduction dollar limits have been increased, including the amount for SUV's.
• For certain qualified property placed in service before January 20, 2025, a phase-down of the special depreciation allowance is in place.
• Certain qualified property placed in service after January 19, 2025 may be eligible for 100% special depreciation allowance or you can elect to take 40%.
• Domestic research and experimental expenditures may be amortized over either a 60 month, or 10-year period. Different periods apply for foreign research.

For full details, review the 4562 instructions.

Instructions for entering this in ProSeries are coming soon. For more information, see Applying the One Big Beautiful Bill changes to Depreciation in ProSeries.